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Finding the Fourth Proportional to 13,794.94, 20,695.47 and 5,029.83

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Solution

The fourth proportional to 13,794.94, 20,695.47 and 5,029.83 is: 7,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.94 : 20,695.47 = 5,029.83 : x
  2. Step 2: Convert to fraction form
    13,794.94/20,695.47 = 5,029.83/x
  3. Step 3: Cross multiply
    13,794.94x = 20,695.47 × 5,029.83
  4. Step 4: Simplify right side
    13,794.94x = 104,094,695.87
  5. Step 5: Solve for x
    x = 104,094,695.87/13,794.94
  6. Step 6: Final answer
    x = 7,545.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.